On 25 March 2014, History renewed Vikings for a ten-episode third season.When asked what viewers could expect from the next season, Michael Hirst explained: "Yeah, we’re gonna attack Paris. Paris was the most extraordinary city. It was still a Roman city, and it was like nothing else on earth. We’re just building that, at the moment, on the backlot. It will also be CGI. Ragnar attacked Paris with one hundred ships."In an interview with The Huffington Post Hirst hinted at several plots for the new season. He mentioned King Horik's son Erlendur. "Anyway, Erlendur has been impressed by the idea of going to farm in England.Vikings Season 4 And in his pocket he has a handful of mud, earth from England. When Ragnar sees him with this handful of dirt, he knows that he’s thinking along the same lines, that they’re connected in some way. So he spares him. But, of course, that turns out to be a terrible decision in the end." King Ecbert and Princess Kwenthrith of Mercia will also be back for season 3.